CVEvulnerability

CVE-2021-47296

5.5 MEDIUM Published 2024-05-21 Modified 2026-08-04 Official page ↗
Status
Modified
Published
2024-05-21
Last modified
2026-08-04
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak vcpu_put is not called if the user copy fails. This can result in preempt notifier corruption and crashes, among other issues.

Affected configurations

• linux linux kernel (>= 4.18 < 4.19.199) • linux linux kernel (>= 4.20 < 5.4.136) • linux linux kernel (>= 5.5 < 5.10.54) • linux linux kernel (>= 5.11 < 5.13.6) • linux linux kernel 5.14

Related

Weakness · CWE (1)

  • CWE-401 Missing Release of Memory after Effective Lifetime weakness

References